143130893 has 2 divisors, whose sum is σ = 143130894. Its totient is φ = 143130892.

The previous prime is 143130859. The next prime is 143130901. The reversal of 143130893 is 398031341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125933284 + 17197609 = 11222^2 + 4147^2 .

It is an emirp because it is prime and its reverse (398031341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143130893 - 2⁶ = 143130829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143138893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71565446 + 71565447.

It is an arithmetic number, because the mean of its divisors is an integer number (71565447).

Almost surely, 2^143130893 is an apocalyptic number.

It is an amenable number.

143130893 is a deficient number, since it is larger than the sum of its proper divisors (1).

143130893 is an equidigital number, since it uses as much as digits as its factorization.

143130893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 143130893 is about 11963.7324025573. The cubic root of 143130893 is about 523.0916573355.

The spelling of 143130893 in words is "one hundred forty-three million, one hundred thirty thousand, eight hundred ninety-three".